flapper valve


Also found in: Dictionary.

flapper valve

flapper valve
When the fluid moves from the “In” side, the piston moves from right to left and the fluid goes through the holes in the piston. When fluid moves from the “Out” side, the piston moves from left to the right under spring pressure and closes the “In” port preventing flow of fluid in the reverse direction.
A type of valve that permits the flow of fluids in one direction only.
Mentioned in ?
References in periodicals archive ?
nttps/supply of flapper valve for mill rejection system of xrp-1003 bowl mills
The flapper valve is worn or distorted from age or chemicals in the tank water - replace it and don't use chemicals
Some older toilets hold enough water in the tank to overflow the bowl You can handle emergencies on those toilets by quickly lifting off the tank lid and manually closing the flapper valve.
The higher pressure at the inlet forces the inlet flapper valve open;
A bidirectional ball valve has replaced the previous one-way flapper valve.
flapper valve, which Miller said "acts like a reed valve.
A linear servo valve that drives the ram directly has replaced the traditional flapper-controlled servo valve system, a three-stage system in which the flapper valve drives a pilot valve that then drives the main rain.
When the flush is activated, a flapper valve opens, and water flows from the upper to the lower chamber.
The chemicals are hard on tank parts and will have the flapper valve leaking water in no time.
Because of the critical performance requirements of the flapper valve seals, their manufacture is said to require a number of special considerations.
Instead, remove the tank lid and lift the flapper valve slightly to let a cup or two of water into the bowl to see if the water goes down.
Associated Spring built a die to form the small steel frame, and also produced the spring-like high-carbon-steel flapper valve element.